Introduction to Statistics
George Boorman
Curriculum Manager, DataCamp
Roll | Result |
---|---|
1 | 1 |
2 | 3 |
3 | 4 |
4 | 1 |
5 | 1 |
$Mean(Results) = 2 $
Roll | Result |
---|---|
1 | 4 |
2 | 4 |
3 | 5 |
4 | 3 |
5 | 6 |
$Mean(Results) = 4.4 $
Roll | Result |
---|---|
1 | 1 |
2 | 3 |
3 | 1 |
4 | 5 |
5 | 6 |
$Mean(Results) = 3.2 $
Set | Mean |
---|---|
1 | 3.8 |
2 | 4.0 |
3 | 3.8 |
4 | 3.6 |
5 | 3.2 |
6 | 4.8 |
7 | 2.6 |
8 | 3.0 |
9 | 2.6 |
10 | 2.0 |
Sampling distribution of the sample mean
The sampling distribution of a statistic becomes closer to the normal distribution as the size of the sample increases.
* Samples should be random and independent
Roll | Result |
---|---|
1 | 2 |
2 | 1 |
3 | 4 |
4 | 2 |
5 | 6 |
Set | Mean |
---|---|
1 | 4 |
2 | 4 |
3 | 1 |
4 | 4 |
5 | 3 |
Introduction to Statistics